Driving mechanism for bolting-machines.



No. 843,067. PATENTED FEB. 5, 1907.

H. 0. BOWSMAN. DRIVING MECHANISM FOR BOLTING MACHINES.

APPLICATION FILED JUNE 4,1906.

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invrirnosrgirns rsrnn'r orrrcn; l HARRY o. BoWsmn,'-or DECATUR, semi,ASSIGNOR or ONE-HALF To. FRANCIS E. LEHMA'N, or INDIANAPOLIS, INDIANA.

DREVENG execs-mosses Foe BOL'lINIG -MAQHMEQ,

No. 841L067.

Epeeification oi Letters Fetsnt.

*ippllmrtion filed 311110 4,1508. s i i in. 320,033.

Patented 5, 390? To all whom it may concern: 1

Be it known ihel l, l'lsnm' O. BOWSMAN, a citizen of the United States,residing at Decaiur, in the county of Adams, in. the State of Indians,have invented certain new and useful Improvements in Driving Mechanismfor Bolting-lriachincsr and I do hereby declere that the following is afull, clear, and exact description of the invention, which will enableothers skilled in the art to which it appertains to molre and use thesome, ref erence being had to (he occonipenying drewings, which formpart of this specification.

My invention relates to improvements in drivin mechanism for bollin-machines.

g h The prime ob ect ok my present invention is to provide an improveddriving incclnm ism for bolting-machines or" simple and economicalconstruction, ellicient and reliable in op- 26 station, and providedwith means for regu- .leting and changing; the limit of lmvcl of the sieve-hox'in itsgyrstory movement without changing the speed of thedriving-shalt.

{My lnventicn consists of it sieve-carrying Home or box suspended byflexible supports and adapted to have a tree lateral movemerit avertical revolublc shaft carrying an unbalanced load, whereby oy thel'OizLllOIl of the shaft the sieve-ironic is given a gyrotory movement,and c Weighted m'nr odjustzibly mounted on the vertical shalt and editted to var or re olute the llllifill of the sieve-frame without chonginthe succrl of the shaft.

Which- The principal norel feature of my invention resides "in the meansfor varying tho' gyro tion of the sieve-ironic withont changingthe speedof the driving-elicit.

Similar referenccnumerals indicate like ports throughout the severalviews, in

' cztted construction oi ils pivoted end.

The vertical drivixig-slnd't i has upon its r l l l l g l l I l l l lripper end e fixed driving-pulley 2 and her 111g near its upper end itglobuler ment 3 to forms bell-snd-socket hearing in the boxing 4,.whichis rigidl fixed onthc so porting beam or late 5,l i able verticalopening or the shaft 1 eving a suit r V The lower end of the verticalshaft hes a fixed or integral terminal ball. 6, having it suitablebsll-snd -soeket bcorin i in the boxmg 7 which is rigidly fixed on t isupper face of the sieve box or frsrne 8 of any proper construction. Thissieve-frame 8 is securel y suspended from the supporting-beam ,5 by

any proper flexible supports 9, Whose oppc site ends are firmly securedto the piste {l and thebox 8 res ectivel The ion Clil 'ft the supports 9are of course determined by,

the length of the vertical revcluble shaft."

in the vertically-slotted upper end of thei srin having a proximatelyright enguler ,1; branches 10 on 11 is arranged the collar 12,

pivotelly suspended therein by means of the; diametnc pins 13. Thiscollar .12 is adapted to loosely receive the sheit l upon whicl thecollar with its pivoted ti is edjustsbly mounted b a. set-screw lrl orother proper 8r;-

msnncr. n the arm 10 is monnted erredjnsteble weight 15, and on the arm11 is ed nstcbly mounted a larger weight-dolor the pur use about to bedescribed.

he operetion'of my inventionthus 'de scribed 1s OlOVlOLlS end, brieflysteted,'1s as' follows: When power is applied-to the drive pulley 2, theshell; 1 will be rotated in, any de sired speed, thereby proportionatelyeleven ing'the large weight, as show'nin Fig.- 2, 0

through the impulse of its centriingel force, which in turn iscontinuouslyimparted to the lower end of the shaft by means of itspivotel or bsll-end-socket connection therewith. It

is obvious that the effect of the centrifugal o force of the Weight 16isto sense the lower end. of the-shalt i to describe e gyrstorymovement, whoso'mnge or limit is determined by the adjustment of thecollar 12 orthe sheft and the weights upon their respec- 10c tive arms10 and 1], es follows: As the'ven ticel shaft 1 is pivotelly fulcrnmednear its ripper end on its bell-bearing 3, it is evident that the nearerthe wei hted arms are adof the shaft the jnsted to the lower on greaterwill be the degree of centrifugal force exerted thereon, andconsequently the greater will be the gyretory movement of the weight 16and the smaller weight 15 their inner and outer adjustments,respectively.

I is proportional to the speed of the driving- 'tion the weighted armsproduce an autothe shaft.

lower end of the shaft. It is also evident that the centrifugal forceand range of gyratory movement of the lower end of the shaft 1 1 isproportionately increased by the adjustment of the heavier weight 16toward the outer end of its supporting-arm and at the same timeadjusting the lesser weight 15 to ward the inner end of the arm. So itis obvious that the smallest range of vibratory movement can readily besecured by the adjustment of the collar 12 at its uppermost limit on theshaft 1, and by giving the larger As the gyratory movements of the sievebox or frame 8 will in use necessarily at all times coincide with thegyrations of the lower end of the shaft-1, it follows that the range ofg-yratory movements of the sieve-box can readily and convenientlybe-changed or regulated at pleasure by m invention without the speed oft eidriving-shaft. It -is also 0 vious that in the use of my invenmaticadjustment ofthe-gyratory movements of the sieve-box, which under allcondition shaft, thereby preserving the balance between the weightedarms as the speed of the driving-ishaft changes. k aving thus describedmy invention and the mannerof operating the same, what I desire tosecure by Letters ?Patent is l 1. Driving mechanism for'bolting-machines consisting of a sieve-carrying frame so suspendedas-to'have afree lateral movement gay-vertical revoluble shaft carryingan une ua'lly-weighted arm; an unequally-weightedarm'havm a verticaladjustment on the shaft, and a apted to impart tothe said frame agyratory movement; and means, adjustably mounted on the said arm,adapted to=limit the range of the gyratory movement of the frame withoutchanging the speed of 2. Indriving mechanism for bolting-machines forgrading hour or other pulverulent materials, the combination of aflexiblysuspended sieve box or frame; a vertical revoluble shaft havingits lower end mounted in a ball-and-socket bearing and adapted for afree gyratory movement; an unequallyweighted arm vertically adjustableon the said shaft, and adapted to impart .to the said sieve-boxagyratory movement; and means for limiting the extent of the gyratorymovement of the frame without changing the speed of the shaft.

3. The combination in a bolting-machinedriving mechanism of asieve-carrying frame so suspended as to have a free lateral movement; avertical revoluble pivotally-suspended shaft whose lower end has ahall-andsocket connection with the sieve-frame; a longitudinall-adjustable arm mounted on. the shaft an provided with unequaladjustable weights adapted to limit the extent of the gyratory movementof the frame with out changing the speed of the shaft,

4. A boltmg machine-driving mechanism consisting of a pendent revolubleshaft whose free end is adapted for a vibratory movement, and whoseupper end has a driving connection; a suspended sieve box orframe havinga free lateral movement, and

avid a pivotal connection with the lower end 0 the shaft; anunequally-weighted arm adjustably mounted on the shaft, and providedwith unequal adjustable coiuiterbalancing-weights adapted to limittherange of the gyratory movement of the sieve-frame without changingthe speed of the shaft.

Signed by me at Fort Wayne Allen county, in the State of Indiana, this31st day of May, A. D. 1906.

HARRY o. BoWsiviA Witnesses:

AUGUSTA VIBERG, W ATTS P. DENNY.

